华为ensp ppp链路认证

拓扑

ppp认证pap

[R3]aaa
[R3-aaa]local-user huawei password cipher huawei123
Info: Add a new user.
[R3-aaa]local-user huawei service-type ppp
[R3]int s0/0/0
[R3-Serial0/0/0]link-protocol ppp
[R3-Serial0/0/0]ppp authentication-mode pap
[R3-Serial0/0/0]shutdown 
[R3-Serial0/0/0]undo shutdown 

[R1]int s0/0/0
[R1-Serial0/0/0]ppp pap local-user huawei password cipher huawei123
[R1-Serial0/0/0]shutdown 
[R1-Serial0/0/0]undo shutdown 

pap:密码认证协议;两次握手，验证过程仅在初始建立阶段进行，品令为明文，不是一种安全的验证协议。
 

ppp认证chap

[R3]aaa
[R3-aaa]local-user huawei password cipher huawei123
Info: Add a new user.
[R3-aaa]local-user huawei service-type